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20
en | Installing
4.5
Cabling
Notice!
Risk of malfunction
The cables used in the controller are not prone to electrical
interference. However, you should avoid routing cables close to
heavy load switching cables and equipment. If this is
unavoidable, cross the cable at right angles every 1 to 2 m (3 to
6 ft) to reduce interference.
4.5.1
Conductor data for powering the controller
With the calculation below you can find out which cable type
must be used. If you connect the power supply and the
controller with the delivered cable set from the enclosure the
calculation is not necessary.
For distances below 25 m (75 ft) use AWG18 conductors
(1mm²). For longer distances, install an additional power supply
close to the controller.
Please, calculate the voltage drop by checking the conductor
specifications for characteristic resistance values. The voltage
drop shall not exceed 2 V.
Example:
Length = 100 m/328 ft
Critical condition! Install the power supply closer to the
controller.
2019-11 | V02 |
Access Modular
Controller 2
Bosch Security Systems B.V.
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